---
title: "GET /deviceUpdate/{instanceId}/management/groups/{groupId}/deviceClassSubgroups/{deviceClassId}"
method: GET
path: "/deviceUpdate/{instanceId}/management/groups/{groupId}/deviceClassSubgroups/{deviceClassId}"
tags: ["Device and deployment management"]
---

# GET /deviceUpdate/{instanceId}/management/groups/{groupId}/deviceClassSubgroups/{deviceClassId}

`GET /deviceUpdate/{instanceId}/management/groups/{groupId}/deviceClassSubgroups/{deviceClassId}`

Gets device class subgroup details.

## Path parameters

- `instanceId` string, required
- `groupId` string, required
- `deviceClassId` string, required

## Query parameters

- `api-version` string, required

## Response `200`

The device class subgroup details.

- DeviceClassSubgroup — Device class subgroup details. A device class subgroup is a subset of devices in a group that share the same device class id.
  - `deviceClassId` string, required — Device class subgroup identity.
  - `groupId` string, required — Group identity.
  - `createdDateTime` string, required — Date and time when the device class subgroup was created.
  - `deviceCount` integer — The number of devices in the device class subgroup.
  - `deploymentId` string — The active deployment Id for the device class subgroup.

## Other responses

- `default` — Default response.

## Changes

- **2026-07-13** (2020-09-01) `5ba53cf1b884` — 1 info
  - endpoint added
- **2021-03-02** (2020-09-01) `be0eed01a5b1` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/azure/apis/deviceupdate-microsoft-deviceupdate/changes/deviceUpdate/:instanceId/management/groups/:groupId/deviceClassSubgroups/:deviceClassId/get.md)

---

[API](https://skmtc.dev/azure/apis/deviceupdate-microsoft-deviceupdate.md) · [All operations](https://skmtc.dev/azure/apis/deviceupdate-microsoft-deviceupdate/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/azure/deviceupdate-microsoft-deviceupdate/revisions/5ba53cf1b884/schema)